Illustration of possible timeline for tsunami warning using T-larmS (left) for the M8.3 Illapel, Chile earthquake of September 16, 2015.
On the right are the determinations of national and international agencies.
The tsunami alert was a sucess for this event; 1 million people were evacuated up and down the coast of Chile.
PTWC is the Pacific Tsunami Warning Center from the United States, CSN the Centro Sismológico Nacional of Chile, SNAM is the Sistema Nacional de Alerta de Maremotos of Chile, ONEMI is the Oficina Nacional de Emergencia del Ministerio del Interior of Chile, and NEIC is that National Earthquake Information Center from the United States.
Modified from Fig 3 of Melgar et al, 2016